In 2015, the CPT® codebook separated joint injections and aspirations into services “with” and “without” image guidance. This year, CPT® has taken a similar approach with spinal injection services. As of Jan. 1, 62310-63219 are deleted, and replaced with: 62320 Injection(s), of diagnostic or therapeutic substance(s) (eg, anesthetic, antispasmodic, opioid, steroid, other solution), not including ...